Your initial billing cycle will begin the day of signup, however, you not will be billed until after your first month has expired.
The amount of time between a monthly billing interval is one month. This means 30 days for some months (April, June etc.), 31 days for others, and then 28 or 29 days for February.
If a monthly subscription is created on the 15th of February, the next payment will be charged on the 15th March.
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